20110220200 has 96 divisors (see below), whose sum is σ = 55759109760. Its totient is φ = 6595142400.

The previous prime is 20110220189. The next prime is 20110220203. The reversal of 20110220200 is 202201102.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (20110220203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 280071 + ... + 344470.

It is an arithmetic number, because the mean of its divisors is an integer number (580824060).

Almost surely, 2^20110220200 is an apocalyptic number.

20110220200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20110220200 is an abundant number, since it is smaller than the sum of its proper divisors (35648889560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20110220200 is a wasteful number, since it uses less digits than its factorization.

20110220200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624587 (or 624578 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 20110220200 its reverse (202201102), we get a palindrome (20312421302).

The spelling of 20110220200 in words is "twenty billion, one hundred ten million, two hundred twenty thousand, two hundred".